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Mathematics, 05.12.2019 01:31 regantyler3500

Which of the following examples is an error of addition by one?

a.5621 + 2356 = 7977
b.6453 + 2345 = 8698
c.4572 + 5324 = 9896
d.2876 + 4123 = 6999

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Which of the following examples is an error of addition by one?

a.5621 + 2356 = 7977

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